CPC H02K 15/03 (2013.01) [H02K 1/2786 (2013.01); Y10T 29/49012 (2015.01)] | 21 Claims |
1. A method of manufacturing a rotor of an electric motor, comprising:
securing a plurality of permanent magnets to a sheet to form a magnet chain,
bending the sheet to engage an inner surface of each permanent magnet in direct contact with a curved outer surface of an insert mold,
wrapping a metallic strip around an outer surface of the sheet to form a yoke of the rotor, and
molding a polymeric material over the magnet chain and the yoke to form a cylindrical shell.
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